which of following do not belong to pathogenic variations of the endogenous genes ( )
A: gene amplification
B: abnormal gene expression
C: invasion of the foreign genes
D: gene arrangement
E: point mutation
A: gene amplification
B: abnormal gene expression
C: invasion of the foreign genes
D: gene arrangement
E: point mutation
C
举一反三
- Among the following genes, ( ) is the housekeeping gene. A: Ribosomal protein gene B: Hemoglobin gene C: Insulin protein gene D: Ovalbumin gene
- Reporter genes can be used to indicate not only the amount of gene expression, but also the sites of the expressed proteins.
- Happiness is _________.( ) A: genetic B: genes C: genetics D: gene
- Operator: ( ) A: An operator is a DNA region that is working with promoter for genes to express. B: An operator is a DNA region at 5’ of a gene for a repressor to bind to prevent gene expression. C: An operator is a repressor protein to help genes to express. D: An operator is a repressor protein to inhibit genes to express.
- The observation that some genes are mosaics of other genes can be explained by ______. A: evolution B: drift C: exon shuffling D: gene duplication E: pseudogenes
内容
- 0
Which of the following methods is not included in gene diagnosis? A: Gene targeting B: PCR C: Nucleic acid hybridization D: Gene chip
- 1
Minor changes of HA are called A: Gene mutation B: Gene reassortment C: Antigenic shift D: Antigenic drift
- 2
A complete set of genes of a given species<br/>called ( ) A: genome B: gene C: DNA D: chromosome cDNA
- 3
Some genes can be expressed in different ways to generate multiple gene products from a single segment of DNA.
- 4
Appropriate regulation of different genes is accomplished by different combinations of a limited repertoire of transcription factors at each gene, a mechanism referred to as _____________________.